A user clarified for us that this name is a combination of 3 Igbo words: (1) onye meaning 'who', (2) buka meaning 'greater' or 'greatest', and (3) chi meaning 'God'.. Read below for Onyebuchi's celebrity and ruler associations, and numerological meanings. If Onyebuchi is the one, congratulations!
Meanings and history of the name Onyx: | Edit. A type of gemstone with bands of color. Derived from the Greek onyx, which originally meant "claw, fingernail." So called because the mineral's color is sometimes pink with white streaks and resembles a fingernail. A deep jet-black color.